求两个数的最小公倍数

#include <stdio.h>
int get_lcm(int a, int b)
 {
    int max, step, lcm;

    if (a > b) 
    {
        max = step = a;
    }
    else 
    {
        max = step = b;
    }

    while (1)
    {
        if (max % a == 0 && max % b == 0)
        {
            lcm = max;
            break;
        }

        max += step;
    }

    return lcm;
}

int main()
 {
    int num1, num2, lcm;

    printf("Enter two numbers: ");
    scanf("%d%d", &num1, &num2);

    lcm = get_lcm(num1, num2);//least common multipul

    printf("LCM of %d and %d is %d\n", num1, num2, lcm);

    return 0;
}